Which one of the following sexually transmitted diseases is characterized by a primary phase that affects the genitals, and secondary and tertiary phases that spread throughout the body?

a. syphilis
b. chlamydia
c. gonorrhea
d. all of these

The correct answer is - option A. syphilis.

Explanation:

Syphilis is a bacterial infection spread by sexual intimacy or contact. It generally starts sores without any pain in them. Syphilis develops in various phases or stages and every stage has specific symptoms.

The primary stage involves a painless sore that attacks the genitals, mouth or rectum of the host. The second stage includes rashes throughout the body the tertiary and final stage is characterized by the damage in brain, nerves, and eyes.

Thus, the correct answer is - option A. syphilis.

Syphilis. (Ans. A)

Explanation:

Syphilis: It is known as a bacterial infection usually sexually transmitted disease, and starts as a painless sore on the mouth, and genitals. It is an easily pass, and super contagious infection from one person to other during sex.

Secondary stage of syphilis symptoms includes soles of your feet, rashes on the palm, and other parts of the body. In tertiary stage or late stage, there is a time when syphilis infection is becomes latent, and there are no symptoms or signs for years but still it needs treatment to get rid of it.

vascular tissue transports materials from the environment into the plant.

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